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Study on gust wind tunnel test for a full elastic aircraft model
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Dong-qiang ZHAO1, 2, Zhi-chun YANG2, Jin-ge YU3, Xian-ang ZENG1, Guo-ning HUANG1
Journal of Vibration Engineering | 2024, 37(10) : 1775 - 1782
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Journal of Vibration Engineering | 2024, 37(10): 1775-1782
Study on gust wind tunnel test for a full elastic aircraft model
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Dong-qiang ZHAO1, 2, Zhi-chun YANG2, Jin-ge YU3, Xian-ang ZENG1, Guo-ning HUANG1
Affiliations
  • 1The First Aircraft Institute of AVIC, Xi’an 710089, China
  • 2School of Aeronautics, Northwestern Polytechnical University, Xi’an 710072, China
  • 3AVIC Aerodynamics Research Institute, Harbin 150001, China
Published: 2024-10-28 doi: 10.16385/j.cnki.issn.1004-4523.2024.10.016
Outline
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At present,the big aviation countries already have mature gust wind tunnel test technology,but which is relatively backward in China,especially the gust wind tunnel tests equipment and technology of full aircraft model are lack. In this paper,a gust generator,a five-degree-of-freedom suspension system and a full elastic aircraft model are developed,and the wind tunnel tests of the whole model are carried out. The test results show that the gust field is stable,and the deviation of the gust velocity between the two ends and the center of the wind tunnel is less than 25%. The support stiffness of the model suspension system is small and the stability is good,which can meet the requirements of the gust wind tunnel test. The simulation results of the non-uniform gust field are close to those of the wind tunnel test,and the error of the moment of the wing root is less than 15%,and the error of wing tip overload is less than 0.2g.

wind tunnel test  /  gust generator  /  suspension system  /  full elastic aircraft model  /  gust load
Dong-qiang ZHAO, Zhi-chun YANG, Jin-ge YU, Xian-ang ZENG, Guo-ning HUANG. Study on gust wind tunnel test for a full elastic aircraft model[J]. Journal of Vibration Engineering, 2024 , 37 (10) : 1775 -1782 . DOI: 10.16385/j.cnki.issn.1004-4523.2024.10.016
Year 2024 volume 37 Issue 10
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Article Info
doi: 10.16385/j.cnki.issn.1004-4523.2024.10.016
  • Receive Date:2024-02-06
  • Online Date:2026-02-12
  • Published:2024-10-28
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History
  • Received:2024-02-06
  • Revised:2024-06-08
Funding
Affiliations
    1The First Aircraft Institute of AVIC, Xi’an 710089, China
    2School of Aeronautics, Northwestern Polytechnical University, Xi’an 710072, China
    3AVIC Aerodynamics Research Institute, Harbin 150001, China
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表12种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
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Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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